1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 A small-to medium-capacity dehumidifier (11-25 pints) for a living room can run around $100-$250 or more, depending on size and features such as a humidistat to set the desired humidity, auto-shut-off when the tank's full, energy efficiency and quiet operation.
What Size Dehumidifier You Need. People often contact us to ask what size dehumidifier they should buy when they want to purchase a room dehumidifier to reduce the humidity in a room or a basement in order to prevent the growth of toxic mold and reduce the risk of mold-related health problems.ur Preferred Room Dehumidifier. No matter what size dehumidifier you need, our preferred room dehumidifier brand is Frigidaire. Frigidaire offers dehumidifiers in a variety of sizes, including 30-pint, 50-pint, and 70-pint dehumidifiers.